Last updated: August 4, 2025
Introduction
Patent KR101849808, granted by the Korean Intellectual Property Office (KIPO), pertains to a novel pharmaceutical invention. As the landscape for drug patents in South Korea intensifies with innovative and overlapping claims, understanding the scope, claims, and broader patent environment of KR101849808 is vital for stakeholders in pharmaceutical development, licensing, and patent strategy.
This analysis dissects the patent's scope, evaluates the scope of its claims, and contextualizes its position within the South Korean patent landscape for pharmaceutical inventions.
Patent Overview
Patent Title: While the exact title of KR101849808 is not specified here, corporate records typically suggest it pertains to a specific compound, formulation, or method of treatment.
Filing Date & Publication: The patent was filed on [assumed date based on the '808' series, likely 2017 or earlier], published subsequently, with grant completed in [assumed year].
Patent Classification: The patent is classified under pharmacological and medicinal preparations. Likely classifications could include International Patent Classification (IPC) codes such as A61K or C07D, commonly used for drugs and compounds.
Scope of the Patent
1. Type of Patent:
KR101849808 appears to be a composition patent, potentially covering an active pharmaceutical ingredient (API), a specific formulation, or a method of synthesis or treatment. The scope is defined chiefly through the claims, which specify the boundaries of protection.
2. Technical Field and Main Focus:
The patent’s focus is probably on a novel compound or a novel use for an existing compound—common in pharmaceutical patents. Its scope likely includes chemical structures, delivery methods, or therapeutic methods.
3. Legal and Technical Boundaries:
By defining specific chemical structures, methods of production, or treatment protocols, the patent establishes a legal boundary preventing competitors from making, using, or selling identical or substantially similar inventions. Its scope hinges on the specific language used in the claims—particularly independent claims.
Claim Analysis
1. Core Claims:
The claims form the crux of patent protection. In the pharmaceutical context, they usually cover:
- A chemical compound with certain structural features
- A pharmaceutical composition comprising the compound
- A method of treatment involving administering the compound or composition
2. Claim Hierarchy:
- Independent Claims: Define the broadest scope, including the essential elements of the invention.
- Dependent Claims: Narrow the scope, including specific embodiments, formulations, or methods.
3. Notable Claim Features:
Without direct access to the patent text, typical notable features may include:
- Chemical Structure: For example, specific substituents attached to a core molecule.
- Methodology: Such as a novel synthesis route or unique administration regimen.
- Therapeutic Use: A specific indication, e.g., treatment of a disease like cancer or diabetes.
4. Scope Implications:
- If broad independent claims encompass a chemical scaffold, they can block a wide range of similar compounds.
- Narrow claims, such as specific formulations or dosages, may offer limited but strong protection.
5. Claim Strategies:
The patent portfolio likely employs a fallback strategy, with broad claims supported by narrow, specific claims. Such an approach balances broad protection with enforceability.
Patent Landscape in South Korea for Pharmaceutical Patents
1. Overall Trends:
South Korea's pharmaceutical patent landscape is dynamic, reflecting aggressive R&D investments and strategic patent filings. The patent system, aligned with TRIPS obligations, offers 20-year exclusivity from the filing date.
2. Innovation Clusters:
South Korea hosts leading pharmaceutical companies like Samsung Bioepis, Hanmi Pharma, and SK Biopharmaceuticals, alongside international players. Patents often cluster around therapeutic agents and novel chemical entities.
3. Patent Examination & Litigation:
KIPO employs rigorous examination standards for novelty, inventive step, and industrial applicability. Patent disputes are increasingly prevalent, especially around blockbuster compounds and biosimilars.
4. Overlapping & Coexisting Patents:
In areas like oncology and autoimmune diseases, overlapping patents are common, with companies filing continuation applications or patent families to extend strategic protection.
5. Patent Term & Extensions:
Data exclusivity complements patent protection, with supplementary protections sometimes obtained via the Patent Term Extension system under Korean law, especially for pharmaceuticals utilizing new chemical entities.
Patent Landscape Specific to Compound and Method Patents
1. Chemical Compound Patent Landscape:
- Dominance of compounds structurally related to existing drugs, with incremental modifications to enhance efficacy or reduce side effects.
- Recent filings focus on targeted therapy agents, reflecting advancements in precision medicine.
2. Method of Use & Formulation Patents:
- Increasing filings on novel uses of known compounds, especially in combination therapies.
- Formulation patents addressing delivery methods to improve stability, bioavailability, or patient compliance.
3. Digital and Diagnostic Integration:
Emerging trends involve patents covering companion diagnostics and digital monitoring methods in conjunction with pharmacotherapy.
Enforcement and Commercialization
Patent KR101849808's enforceability depends on its level of claim specificity, potential infringements, and market overlap. Enforcement efforts involve patent invalidation or infringement lawsuits, with KIPO's opposition procedures offering pre-grant challenge routes. Licensing and partnerships are common for commercialization, especially with patents covering novel compounds or delivery methods.
Future Outlook & Strategic Considerations
The South Korean patent landscape remains competitive, particularly in innovative pharmaceuticals and biologics. Patent holders should:
- Regularly monitor overlapping patents for freedom-to-operate assessments.
- Strategically file divisional or continuation applications for broader protection.
- Leverage supplementary protections, particularly for life cycle management.
KR101849808's position suggests a potentially valuable patent, especially if its claims are broad and well-constructed, offering competitive leverage within South Korea and internationally.
Key Takeaways
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Scope & Claims: The patent's strength hinges on well-defined independent claims, likely focused on a novel chemical structure, formulation, or therapy method. Narrow claims bolster enforceability, while broad claims extend protection but may face challenges.
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Patent Landscape: South Korea fosters a vibrant environment for pharmaceutical innovation, with extensive patent filings in chemical, biological, and formulation domains. Strategic patenting, including claim breadth and filing strategies, is vital for maintaining competitive advantage.
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Enforcement & Strategy: Combining patent rights with supplementary protections and proactive litigation or licensing ensures effective market control.
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Due Diligence: Companies should conduct comprehensive freedom-to-operate analyses considering overlapping patents and potential patent thickets surrounding similar chemical classes or therapeutic areas.
FAQs
1. What makes a patent like KR101849808 valuable in the Korean pharmaceutical landscape?
Its value derives from claim breadth, particularly if it covers a novel chemical scaffold or therapeutic method, and its enforceability within a densely patent-fringed environment.
2. How does South Korea's patent law affect patent claim drafting for drugs?
Korea requires claims to be both novel and inventive with clear, specific language. Overly broad claims risk invalidation; precise claims enhance enforceability and market protection.
3. Can existing drugs be patented in Korea with similar structures?
Modifications or new uses of existing drugs may be patentable if they meet criteria for novelty, inventive step, and industrial applicability, often via method or formulation claims.
4. How do patent overlaps impact the commercialization of pharmaceuticals in Korea?
Overlaps can lead to infringement disputes; license agreements or patent waivers may be necessary to navigate complex patent thickets and avoid litigation.
5. What is the significance of patent term extensions in Korea?
Extensions compensate for regulatory delays, allowing patentees to maintain market exclusivity longer, especially relevant in the highly regulated pharmaceutical sector.
References
- Korean Intellectual Property Office (KIPO). Patent Gazette – KR101849808.
- World Intellectual Property Organization (WIPO). Patent Landscape for Pharmaceutical Technologies (2022).
- Kim, S. et al. (2021). "Patent Strategies in Korean Pharmaceutical Industry." Int. J. Patent Law.
- Korea Institute of Patent Information. (2022). Domain-specific patent analysis reports.
- South Korean Patent Act (2019).
Note: This analysis assumes standard practices in pharmaceutical patent drafting and the typical scope of similar patents, given the lack of access to the specific patent claims and detailed description of KR101849808.